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XSetCloseDownMode(3)            XLIB FUNCTIONS            XSetCloseDownMode(3)

       XSetCloseDownMode, XKillClient - control clients

       int XSetCloseDownMode(Display *display, int close_mode);

       int XKillClient(Display *display, XID resource);

                 Specifies the client close-down mode.  You can pass Destroy-
                 All, RetainPermanent, or RetainTemporary.

       display   Specifies the connection to the X server.

       resource  Specifies any resource associated with the client that you
                 want to destroy or AllTemporary.

       The XSetCloseDownMode defines what will happen to the client's
       resources at connection close.  A connection starts in DestroyAll mode.
       For information on what happens to the client's resources when the
       close_mode argument is RetainPermanent or RetainTemporary, see section

       XSetCloseDownMode can generate a BadValue error.

       The XKillClient function forces a close down of the client that created
       the resource if a valid resource is specified.  If the client has
       already terminated in either RetainPermanent or RetainTemporary mode,
       all of the client's resources are destroyed.  If AllTemporary is speci-
       fied, the resources of all clients that have terminated in RetainTempo-
       rary are destroyed (see section 2.5).  This permits implementation of
       window manager facilities that aid debugging.  A client can set its
       close-down mode to RetainTemporary.  If the client then crashes, its
       windows would not be destroyed.  The programmer can then inspect the
       application's window tree and use the window manager to destroy the
       zombie windows.

       XKillClient can generate a BadValue error.

       BadValue  Some numeric value falls outside the range of values accepted
                 by the request.  Unless a specific range is specified for an
                 argument, the full range defined by the argument's type is
                 accepted.  Any argument defined as a set of alternatives can
                 generate this error.

       Xlib - C Language X Interface

X Version 11                     libX11 1.1.5             XSetCloseDownMode(3)